e*thirteen Helix Core Alloy Crank 165mm Bosch

e*thirteen Helix Core Alloy Crankset – 165 mm, 73 mm spindle (CS4HBA-104) – Forged AL-6066-T6 arms, lightweight at ~589 g, Boost/SuperBoost-ready chainline, 24 mm chromoly spindle, self-extractor bolts, cross-compatibility with SRAM® & Shimano®, adjustable chainline (52/55 mm).

• 165 mm length – optimal for balanced pedaling leverage and clearance

• FORGED AL-6066-T6 arms with CNC weight savings

• 24 mm chromoly spindle for strength and shelf compatibility

• Boost/SuperBoost chainlines (52/55 mm) for tire clearance flexibility

• SRAM & Shimano compatible, with self-extracting bolts for easy service